Finding the Third Proportional to 1,003,680 and 2,209,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,680 : 2,209,536 = 2,209,536 : x
2. Step 2: Convert to fraction form
   1,003,680/2,209,536 = 2,209,536/x
3. Step 3: Cross multiply
   1,003,680x = 2,209,536 × 2,209,536
4. Step 4: Simplify right side
   1,003,680x = 4,882,049,335,296
5. Step 5: Solve for x
   x = 4,882,049,335,296/1,003,680
6. Step 6: Final answer
   x = 4,864,149.27